Cummins 4B, 4BT 3.9L Head Gasket, Standard, 3921393

Cross Reference with Part Numbers: 3904334, 3907054, 3915726, 3917354, 3921393, 3282999, 3283569, 3283333

Our complete line of seals and gaskets are produced from Interface materials. These materials are environmentally friendly, free of solvents and asbestos. Our seals and gaskets are made with high technology tools to guarantee an exact dimension and a proper fit, reducing the risk of leakage and increasing operational life.